... time:15days sample-made time:5day Part name:colored silicone o ringwith high quality approved NSF61,WRAS,KTW,W270,FDA,ACS ... ,German DVGW,American ASTM,ISO3302-1(G.B./T3672-2002),Japan JIS/P.G.,8D,PPAP,5Squality document:size report,materia ... :JODEN,JOMOO,TOTO,ROCA,CKD,KOHLER,BLACK&DECKER. colored silicone o ring with high quality approved NSF61,WRAS,KTW,W270,FDA ...